2A4DH-2763Wireless Remote

CC STC 00211756 2026 TR Amazon.com Services LLC Date: 5/11/2026 Federal Communications Commissions Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 RE: CFR 47 §2.911 (d)(7) Agent Designation Attestation Grantee Code: 2A4DH Applicant (Grantee) FRN: 0026561829 To whom it may concern: Amazon.com Services LLC as required by section §2.911(d)(7), will also serve as the agent for service of process for the above referenced FCC Grantee Code. The applicant acknowledges that they will maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-related proceeding involving the equipment. The applicant further acknowledges their responsibility under CFR 47 §2.929(c) to inform the FCC whenever the agent information changes. U.S. Agent Information: Contact Person: Tunji Yusuf Company Name: Amazon.com Services LLC FCC FRN: 0026561829 Company US Address: 410 Terry Avenue, Seattle Washington, 98109 United States Email: [email protected] Sincerely yours, Contact Person: Tunji Yusuf Company Name: Amazon.com Services LLC Company Address: 410 Terry Avenue, Seattle Washington, 98109 United States Docusign Envelope ID: D128EEF6-5F7A-8215-80B0-0E8A1A11071F

Docusign Envelope ID: DA67F168-E016-8859-827C-FC50EE21E944 CC STC 00211788 2026 TR Amazon.com Services LLC Federal Communications Commissions Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 RE: CFR 47 §2.911 (d)(5) Attestation FCC ID: 2A4DH-2763 FCC FRN: 0026561829 Date: 08/11/2026 1. Amazon.com Services LLC certifies that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. 2. Amazon.com Services LLC certifies that the device does not have cybersecurity and / or anti-virus software produced or provided by Kaspersky Lab, Inc. or any of its successors and assignees, identified on the Covered List installed on the device, nor will it be installed by the applicant any time after certification. 3. Amazon.com Services LLC certifies that the RF device is not a router “produced in a foreign country”. 4. Amazon.com Services LLC certifies that the RF device is not a robot or inverter. 5. Amazon.com Services LLC certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing “covered” equipment and is not an affiliate or subsidiary of an entity identified on the Covered List. Sincerely yours, Name: Tunji Yusuf Job Title: Authorized Signatory Company Name: Amazon.com Services LLC

CC STC 00211821 2026 TR Amazon.com Services LLC Date: 5/7/2026 UL Verification Services Inc. 47173 Benicia Street Fremont, CA 94538, USA To whom it may concern: I, the undersigned, hereby authorize UL Verification Services Inc. to act on our behalf in all manners relating to application for equipment authorization, including signing of all documents relating to these matters. Any and all acts carried out by UL Verification Services Inc. on our behalf shall have the same effect as acts of our own. I, the undersigned, hereby certify that we are not subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. § 862 because of a conviction for possession or distribution of a controlled substance. In authorizing UL Verification Services Inc. as our representative, we still recognize that we are responsible to: a) fulfill the requirements for the scope of certification requested, including implementing any appropriate changes requested by UL Verification Services Telecommunications Certification Body (TCB) and / or the FCC; b) supply any and all information needed for the evaluation of the products for which certification is sought; c) make claims regarding certification only in respect of the scope for which certification has been granted; d) not use our product certification in such a manner as to bring the TCB or FCC into disrepute and to not make any statement regarding product certification which the TCB or FCC may consider misleading or unauthorized; e) discontinue use of all advertising matter that contains any reference thereto and complies with any and all actions required by the FCC upon suspension or cancellation of certification; f) use certification only to indicate that products are certified in conformity with specified standards; g) endeavor to ensure that no certificate or report or any part thereof is used in a misleading manner, and any copies of the grants/certificates shall be reproduced in their entirety; h) comply with the requirements of the TCB and FCC, including the use of marks and label information prescribed for the scope of certification, when making reference to product certification in communication media such as documents, brochure or advertisements; i) comply with the requirements for certification, supply any information needed for evaluation of products to be certified and, where applicable, make provision for the participation of observers; j) ensure that products marketed under the scope of the requested certification continue to comply with the certification requirements; Docusign Envelope ID: 39D6609B-8079-8943-82F5-61567E957047 CC STC 00211821 2026 TR k) provide a sample of a production unit for testing within 30 days of the request should this product be selected as part of either the TCB’s or the FCC’s market surveillance requirements; l) keep a record of all complaints relating to product’s compliance with requirements of relevant standard; make records available to UL or FCC when requested; take appropriate action with respect to such complaints and any deficiencies found in the product that affect compliance with requirements for certification; document the actions taken with respect to complaints and/or deficiencies; m) inform the TCB immediately of any changes that may affect its ability to comply with the certification requirements. This authorization is valid until further written notice from the applicant / specify date. Sincerely Yours, Company Name: Amazon.com Services LLC Contact Name: Tunji Yusuf Title of Person: Authorized Signatory Address: 410 Terry Avenue, Seattle Washington, 98109 United States Docusign Envelope ID: 39D6609B-8079-8943-82F5-61567E957047

Docusign Envelope ID: EF5CFE20-8407-89E6-83FA-DA31CAD3FC15 CC STC 00211728 2026 TR Amazon.com Services LLC Date: 6/11/2026 Attn: FCC Office of Engineering and Technology / UL Verification Services TCB Subject: Request for Confidentiality FCC ID: 2A4DH-2763 To Whom It May Concern: Pursuant to the provisions of Sections 0.457 and 0.459 of the Commission’s rules (47 CFR §§ 0.457, 0.459), we are requesting the Commission to withhold the following attachments as confidential document from public disclosure indefinitely. • Schematic Diagram • Block Diagram • Theory of Operation • Part List • Tune up procedure Above mentioned document contains detailed system and equipment description are considered as proprietary information in operation of the equipment. The public disclosure of above documents might be harmful to our company and would give competitor an unfair advantage in the market. In additional to above mentioned documents, pursuant to Public Notice DA 04-1705 of the Commission’s policy, in order to comply with the marketing regulations in 47 CFR §2.803 and the importation rules in 47 CFR §2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices. We are requesting the commission to grant short-term confidentiality request on the following attachments until 180 days after the grant date • External Photos • Internal Photos • Test Setup Photos • User Manual • Antenna Test Setup Photos It is our understanding that all measurement test reports, FCC ID label format and correspondent during certification review process cannot be granted as confidential documents and those information will be available for public review once the grant of equipment authorization is issued. Docusign Envelope ID: EF5CFE20-8407-89E6-83FA-DA31CAD3FC15 CC STC 00211728 2026 TR Best Regards Contact Name: Tunji Yusuf Title of Person: Authorized Signatory Company Name: Amazon.com Services LLC

Label is laser etched and is on the device body inside the cap. Information can be found in the user manual.

. MeasurementReportforDevice,,,UID0-,Channel0(2450.000MHz) DeviceunderTestProperties Model,ManufacturerDimensions[mm]IMEIDUTType Device,50.0x10.0x8.0Dipole ExposureConditions PhantomSection, TSL Position,Test Distance[mm] BandGroup, UID Frequency[MHz], ChannelNumber ConversionFactorTSLConductivity [S/m] TSLPermittivity Flat, HeadSimulating Liquid ,CW, 0-- 2450.000, 0 7.911.8038.6 HardwareSetup PhantomTSL,MeasuredDateProbe,CalibrationDateDAE,CalibrationDate Twin-SAMV8.0(30degprobetilt)- 2100 HBBL-600-10000Charge:xxxx,2026-05- 28 EX3DV4-SN7733,2025-09-08DAE4Sn1739,2025-09-08 ScanSetup AreaScanZoomScan GridExtents[mm]40.0x80.030.0x30.0x30.0 GridSteps[mm]10.0x10.05.0x5.0x1.5 SensorSurface[mm]3.01.4 GradedGridN/AYes GradingRatioN/A1.5 MAIAN/AN/A SurfaceDetectionVMS+6pVMS+6p ScanMethodMeasuredMeasured MeasurementResults AreaScanZoomScan Date2026-05-28,11:342026-05-28,11:41 psSAR1g[W/kg]5.135.20 psSAR10g[W/kg]2.412.41 PowerDrift[dB]0.01-0.00 PowerScalingDisabledDisabled ScalingFactor[dB] TSLCorrectionNocorrectionNocorrection M2/M1[%]79.8 Dist3dBPeak[mm]9.0 Warning(s)/Error(s) DetailsAreaScanZoomScan Warning(s) Error(s)

. Measurement Report for Device, FRONT, ISM 2.4 GHz Band, UID 10670 AAA, Channel 78 (2480.000MHz) Device under Test Properties Model, Manufacturer Dimensions [mm] IMEI DUT Type Device, 140.0 x 38.0 x 18.0 Wireless Remote Exposure Conditions Phantom Section, TSL Position, Test Distance [mm] Band Group, UID Frequency [MHz], Channel Number Conversion Factor TSL Conductivity [S/m] TSL Permittivity Flat, Head Simulating Liquid FRONT, 0.00 ISM 2.4 GHz Band Bluetooth, 10670-AAA 2480.000, 78 7.91 1.84 38.5 Hardware Setup Phantom TSL, Measured Date Probe, Calibration Date DAE, Calibration Date Twin-SAM V8.0 (30deg probe tilt) - 2100 HBBL-600-10000 Charge:xxxx, 2026-05- 28 EX3DV4 - SN7733, 2025-09-08 DAE4 Sn1739, 2025-09-08 Scan Setup Area Scan Zoom Scan Grid Extents [mm] 80.0 x 180.0 30.0 x 30.0 x 30.0 Grid Steps [mm] 10.0 x 10.0 5.0 x 5.0 x 1.5 Sensor Surface [mm] 3.0 1.4 Graded Grid N/A Yes Grading Ratio N/A 1.5 MAIA Y Y Surface Detection VMS + 6p VMS + 6p Scan Method Measured Measured Measurement Results Area Scan Zoom Scan Date 2026-05-28, 13:45 2026-05-28, 13:56 psSAR1g [W/kg] 0.042 0.049 psSAR10g [W/kg] 0.019 0.017 Power Drift [dB] -0.00 -0.02 Power Scaling Disabled Disabled Scaling Factor [dB] TSL Correction No correction No correction M2/M1 [%] 79.2 Dist 3dB Peak [mm] 5.2 Warning(s) / Error(s) Details Area Scan Zoom Scan Warning(s) Error(s)

Annual Verification Result Dipole2450 Head TSL Target Value Measure Value Difference R（Ω） X（jΩ） R（Ω） X（jΩ） R（Ω） X（jΩ） Impedance 52.71 4.199 51.24 -4.500 -1.47 -8.70 Return loss(dB) -26.266 -26.73 1.8% Measure Date 15-Dec-25

The results reported herein have been performed in accordance with the laboratory’s terms of accreditation. This report shall not be reproduced except in full without the written approval of the Laboratory. The results in this report apply to the test sample(s) mentioned above at the time of the testing period only and are not to be used to indicate applicability to other similar products. SAR EVALUATION REPORT FCC 47 CFR § 2.1093 IEEE Std. 1528-2013 For Wireless Remote MODEL NUMBER: F84DH2 REPORT NUMBER: 479117482-1-SAR-1 ISSUE DATE: May 28, 2026 FCC ID: 2A4DH-2763 Prepared for Amazon.com Services LLC 410 Terry Avenue, Seattle, Washington, 98109 United States Prepared by UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch Room 101, Building 2, No.4, Information Road, Songshan Lake, Dongguan, Guangdong, China Tel: +86 769 22038881 Fax: +86 769 33244054 Website: www.ul.com Website: www.ul.com REPORT NO.: 479117482-1-SAR-1 Page 2 of 24 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM NO: 10-SL-F0036 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. Revision History Rev. Issue Date Revisions Revised By V0 May 28, 2026 Initial Issue \ Note: 1) This test report is only published to and used by the applicant, and it is not for evidence purpose in China. 2) The measurement result for the sample received is <Pass> according to < IEEE Std. 1528>when <Simple Acceptance> decision rule is applied. REPORT NO.: 479117482-1-SAR-1 Page 3 of 24 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM NO: 10-SL-F0036 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. Table of Contents 1. Attestation of Test Results .......................................................................................................... 4 2. Test Specification, Methods and Procedures ............................................................................ 5 3. Facilities and Accreditation ......................................................................................................... 6 4. SAR Measurement System & Test Equipment ........................................................................... 7 4.1. SAR Measurement System .............................................................................................................. 7 4.2. SAR Scan Procedures ..................................................................................................................... 8 4.3. Test Equipment .............................................................................................................................. 10 5. Measurement Uncertainty ......................................................................................................... 11 6. Device Under Test (DUT) Information ....................................................................................... 12 6.1. DUT Description............................................................................................................................. 12 6.2. Wireless Technology ...................................................................................................................... 12 7. Conducted Output Power Measurement and tune-up tolerance ............................................ 13 7.1. Test Results of 2.4GHz BLE .......................................................................................................... 13 7.2. Duty Cycle ..................................................................................................................................... 14 8. Test Configuration ..................................................................................................................... 15 8.1. 2.4GHz BLE SAR Test Requirements ............................................................................................... 15 8.2. Repeated measurements .................................................................................................................. 15 9. RF Exposure Conditions ........................................................................................................... 16 10. Dielectric Property Measurements & System Check ............................................................... 17 10.1. Dielectric Property Measurements ................................................................................................. 17 10.2. System Check ................................................................................................................................ 19 11. Measured and Reported (Scaled) SAR Results ....................................................................... 21 11.1. SAR Test Results of BLE ............................................................................................................... 22 12. Simultaneous Transmission SAR Analysis ............................................................................. 23 Appendixes ........................................................................................................................................... 24 479117482-1-SAR-1_Appendixes A Photo .................................................................................................... 24 479117482-1-SAR-1_Appendixes B System Check Plots ............................................................................. 24 479117482-1-SAR-1_Appendixes C Highest Test Plots ................................................................................ 24 479117482-1-SAR-1_Appendixes D Cal. Certificates ................................................................................... 24 REPORT NO.: 479117482-1-SAR-1 Page 4 of 24 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM NO: 10-SL-F0036 This report shall not…

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The results reported herein have been performed in accordance with the laboratory’s terms of accreditation. This report shall not be reproduced except in full without the written approval of the Laboratory. The results in this report apply to the test sample(s) mentioned above at the time of the testing period only and are not to be used to indicate applicability to other similar products. FCC 47 CFR PART 15 SUBPART C ISED RSS-247 Issue 4 TEST REPORT For Wireless Remote MODEL NUMBER: F84DH2 REPORT NUMBER: 4792117482.2-1-RF-1 ISSUE DATE: March 4, 2026 FCC ID: 2A4DH-2763 IC ID: 24273-2763 Prepared for Amazon.com Services LLC 410 Terry Avenue, Seattle, Washington, 98109 United States Prepared by UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch Room 101, Building 2, No.4, Information Road, Songshan Lake, Dongguan, Guangdong, China Tel: +86 769 22038881 Fax: +86 769 33244054 Website: www.ul.com REPORT NO.: 4792117482.2-1-RF-1 Page 2 of 88 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM NO: 10-SL-F0035 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. Revision History Rev. Issue Date Revisions Revised By V0 March 4, 2026 Initial Issue REPORT NO.: 4792117482.2-1-RF-1 Page 3 of 88 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM NO: 10-SL-F0035 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. Summary of Test Results Test Item Clause Limit/Requirement Result Antenna Requirement N/A FCC Part 15.203/15.247 (c) RSS-GEN Clause 6.8 Pass AC Power Line Conducted Emission ANSI C63.10-2020, Clause 6.2 FCC Part 15.207 RSS-GEN Clause 8.8 N/A Conducted Output Power ANSI C63.10-2020, Clause 11.9.1.2 FCC Part 15.247 (b)(3) RSS-247 Clause 6.3.2 Pass 6dB Bandwidth and 99% Occupied Bandwidth ANSI C63.10-2020, Clause 11.8.1 FCC Part 15.247 (a)(2) RSS-247 Clause 6.3.1 (a) RSS-Gen Clause 6.7 Pass Power Spectral Density ANSI C63.10-2020, Clause 11.10.2 FCC Part 15.247 (e) RSS-247 Clause 6.3.1 (b) Pass Conducted Band edge and spurious emission ANSI C63.10-2020, Clause 11.11 FCC Part 15.247(d) RSS-247 Clause 6.6 Pass Radiated Band edge and Spurious Emission ANSI C63.10-2020, Clause 11.12 FCC Part 15.247 (d) FCC Part 15.205/15.209 RSS-247 Clause 6.6 RSS-GEN Clause 8.9 Pass Duty Cycle ANSI C63.10-2020, Clause 11.6 None; for reporting purposes only. Pass Note: 1. For ISED, this report is also performed according to ANSI C63.10-2020 + Cor.1-2023 + C63.10a-2024 + Errata to C63.10a-2024 standards. 2. For FCC, this report is also performed according to ANSI C63.10-2020 + Cor.1-2023 standards. 3. EUT is battery powered therefore N/A for AC Power Line Conducted Emission. *This test report is only published to and used by the applicant, and it is not for evidence purpose in China. *The measurement result for the sample received is <Pass> according to <FCC 47 CFR PART 15 SUBPART C, ISED RSS-247 Issue 4> when <Simple Acceptance> decision rule is applied. Decision rule for statement of conformity: The measurement uncertainty is not taken into account for statement of conformity. REPORT NO.: 4792117482.2-1-RF-1 Page 4 of 88 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM NO: 10-SL-F0035 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. CONTENTS 1. ATTESTATION OF TEST RESULTS ..................................................................................... 6 2. TEST METHODOLOGY ......................................................................................................... 7 3. FACILITIES AND ACCREDITATION ..................................................................................... 7 4. CALIBRATION AND UNCERTAINTY ................................................................................... 8 4.1. MEASURING INSTRUMENT CALIBRATION ........................................................... 8 4.2. MEASUREMENT UNCERTAINTY ............................................................................ 8 5. EQUIPMENT UNDER TEST .................................................................................................. 9 5.1. DESCRIPTION OF EUT ........................................................................................... 9 5.2. CHANNEL LIST ........................................................................................................ 9 5.3. MAXIMUM POWER ................................................................................................ 10 5.4. TEST CHANNEL CONFIGURATION ...................................................................... 10 5.5. THE WORSE CASE POWER SETTING PARAMETER .......................................... 10 5.6. DESCRIPTION OF AVAILABLE ANTENNAS ......................................................... 10 5.7. SETUP DIAGRAM .................................................................................................. 11 6. MEASURING EQUIPMENT AND SOFTWARE USED......................................................... 12 7. ANTENNA PORT TEST RESULTS ..................................................................................... 14 7.1. CONDUCTED OUTPUT POWER ........................................................................... 14 7.2. 6DB BANDWIDTH AND 99% OCCUPIED BANDWIDTH ........................................ 15 7.3. POWER SPECTRAL DENSITY .............................................................................. 17 7.4. CONDUCTED BAND EDGE AND SPURIOUS EMISSION ..................................... 19 7.5. DUTY CYCLE ......................................................................................................... 21 8. RADIATED TEST RESULTS .........................................................................…

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文档密级：Confidential Antenna Specifications Frequency range of operation: Antenna 1: • BLE: 2.4 to 2.48 GHz Antenna type: PCB Antenna Antenna gain: Frequency(MHz) Peak Gain(dBi) 2402 4.6 2440 4.8 2480 4.9 Testing engineer: wenlong.yao Testing date: 2026.04.09 Lab name: Goertek WF antenna lab Lab address: OTA Laboratory, No. 268, Dongfang Road, Xincheng Street, Kuiwen District, Weifang City, Shandong Province, china. Measurement test method: Solder pigtails on feeding point of antenna and measure passive antenna performance by VNA and OTA chamber system. Test equipment: Description Manufacturer Model Serial Number Cal from Cal Due Test Chamber ETS AMS8923 Euroshieldpn-CT0000789- 1162 Aug 2025 Dec 2033 ENA Network Analyzer Keysight E5071C MY46419524 Jan 2026 1 year Equipment setup: 1. Below is a block diagram of the antenna measurement setup. 文档密级：Confidential 1. Actual setup picture of the DUT mounted on the turn table inside the anechoic chamber 2. Set up the device on the turn table and connect the pigtails to the RF cable. Software used: EMQUEST Version1.10 Test Standard: CTIA Test Plan Test set-up: Test Procedure (Passive Antenna Measurement): 1.Mount the Device Under Test (DUT) on the supporting pole at the center of the anechoic chamber. 2.Connect the DUT antenna port to the measurement system using a coaxial cable at the transmitter side of the chamber. 3.Close the chamber door to eliminate external signal interference during measurement. 4.Launch the antenna measurement system, configure the required test parameters (e.g., frequency points or rotation angles), and import the frequency list for testing. 5.After completing the measurement, process the recorded data and perform far-field data conversion as required. Antenna radiated pattern orientation: 文档密级：Confidential Antenna radiation pattern: 2402MHz X Y Z 文档密级：Confidential 2440MHz 2480MHz